fix #51 fix READMe example

README.md

@@ -1,6 +1,6 @@
 [![license](https://img.shields.io/github/license/FalkorDB/JFalkorDB.svg)](https://github.com/FalkorDB/JFalkorDB/blob/master/LICENSE)
 [![Release](https://img.shields.io/github/release/FalkorDB/JFalkorDB.svg)](https://github.com/FalkorDB/JFalkorDB/releases/latest)
-[![Maven Central](https://maven-badges.herokuapp.com/maven-central/com.falkordb/jfalkordb/badge.svg)](https://maven-badges.herokuapp.com/maven-central/com.falkordb/jfalkordb)
+[![Maven Central Version](https://img.shields.io/maven-central/v/com.falkordb/jfalkordb)](https://central.sonatype.com/artifact/com.falkordb/jfalkordb)
 [![Javadocs](https://www.javadoc.io/badge/com.falkordb/jfalkordb.svg)](https://www.javadoc.io/doc/com.falkordb/jfalkordb)
 [![Codecov](https://codecov.io/gh/FalkorDB/JFalkorDB/branch/master/graph/badge.svg)](https://codecov.io/gh/FalkorDB/JFalkorDB)
 [![Known Vulnerabilities](https://snyk.io/test/github/FalkorDB/JFalkorDB/badge.svg?targetFile=pom.xml)](https://snyk.io/test/github/FalkorDB/JFalkorDB?targetFile=pom.xml)
@@ -21,7 +21,7 @@ FalkorDB Java client
     <dependency>
       <groupId>com.falkordb</groupId>
       <artifactId>jfalkordb</artifactId>
-      <version>0.2.9</version>
+      <version>0.4.0</version>
     </dependency>
   </dependencies>
 ```
@@ -44,7 +44,7 @@ and
     <dependency>
       <groupId>com.falkordb</groupId>
       <artifactId>jfalkordb</artifactId>
-      <version>0.3.0-SNAPSHOT</version>
+      <version>0.4.1-SNAPSHOT</version>
     </dependency>
   </dependencies>
 ```
@@ -58,10 +58,17 @@ import com.falkordb.graph_entities.Edge;
 import com.falkordb.graph_entities.Node;
 import com.falkordb.graph_entities.Path;
 import com.falkordb.Graph;
+import com.falkordb.GraphContext;
+import com.falkordb.GraphContextGenerator;
+import com.falkordb.GraphTransaction;
+import com.falkordb.Record;
+import com.falkordb.ResultSet;
 import com.falkordb.FalkorDB;
 import com.falkordb.Driver;
 
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 public class GraphExample {
     public static void main(String[] args) {
@@ -80,19 +87,19 @@ public class GraphExample {
         graph.query("MATCH (a:person), (b:person) WHERE (a.name = 'roi' AND b.name='amit') CREATE (a)-[:knows]->(b)");
 
         ResultSet resultSet = graph.query("MATCH (a:person)-[r:knows]->(b:person) RETURN a, r, b");
-        while(resultSet.hasNext()) {
-            Record record = resultSet.next();
+
+        // iterate over result set       
+        for(Record record: resultSet) {
             // get values
-            Node a = record.getValue("a");
-            Edge r =  record.getValue("r");
+            Node n = record.getValue("a");
+            Edge e =  record.getValue("r");
 
             //print record
-            System.out.println(record.toString());
+            System.out.println("Node: " + n + " Edge: " + e);
         }
 
         resultSet = graph.query("MATCH p = (:person)-[:knows]->(:person) RETURN p");
-        while(resultSet.hasNext()) {
-            Record record = resultSet.next();
+        for(Record record: resultSet) {
             Path p = record.getValue("p");
 
             // More path API at Javadoc.
@@ -102,13 +109,13 @@ public class GraphExample {
         // delete graph
         graph.deleteGraph();
 
-        Graph contextGraph = driver.graph("contextSocial");
+        GraphContextGenerator contextGraph = driver.graph("contextSocial");
         // get connection context - closable object
         try(GraphContext context = contextGraph.getContext()) {
             context.query("CREATE (:person{name:'roi',age:32})");
             context.query("MATCH (a:person), (b:person) WHERE (a.name = 'roi' AND b.name='amit') CREATE (a)-[:knows]->(b)");
             // WATCH/MULTI/EXEC
-            context.watch();
+            context.watch("contextSocial");
 
             GraphTransaction t = context.multi();
             t.query("MATCH (a:person)-[r:knows]->(b:person{name:$name,age:$age}) RETURN a, r, b", params);
@@ -123,7 +130,6 @@ public class GraphExample {
         }
     }
 }
-
 ```
 
 ## License